Feature: * USB Charging: Easy to operate by connecting the included USB data cable and there are various ways to connect it. * Easy to carry: Portable, perfect for outdoor work. * The tip of the soldering iron is made of steel, which is resistant to corrosion and rust and will serve you for a long time.* Application: Suitable for general welding applications, spot welding, wire and broaching, tinning wire.* This custom soldering iron tip kit can perform almost any soldering application you need. High quality, each is advanced manufacturing process.* Easy to use: All soldering tips can be used, after soldering, there will be tin slag on the tip of the soldering iron, just wipe it with this sponge, and the tin slag will fall off. Specification: Product Name: Soldering Iron Tip Material: Steel Color: Silver Size: (Approx.) 50mm/1.97 inch Optional Type: B, C, K Suitable for: Soldering Iron Tip with E10 Interface Quantity: Set of 2 Pcs Package includes: 1 x Soldering Iron Tip 1 sponge Note: 1. Transition: 1cm=10mm=0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.